1 files changed, 0 insertions, 136 deletions
diff --git a/arch/loongarch/lib/crc32-loongarch.c b/arch/loongarch/lib/crc32-loongarch.c
deleted file mode 100644
index db22c2ec55e2..000000000000
--- a/arch/loongarch/lib/crc32-loongarch.c
+++ /dev/null
@@ -1,136 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * CRC32 and CRC32C using LoongArch crc* instructions
- *
- * Module based on mips/crypto/crc32-mips.c
- *
- * Copyright (C) 2014 Linaro Ltd <yazen.ghannam@linaro.org>
- * Copyright (C) 2018 MIPS Tech, LLC
- * Copyright (C) 2020-2023 Loongson Technology Corporation Limited
- */
-
-#include <asm/cpu-features.h>
-#include <linux/crc32.h>
-#include <linux/export.h>
-#include <linux/module.h>
-#include <linux/unaligned.h>
-
-#define _CRC32(crc, value, size, type)			\
-do {							\
-	__asm__ __volatile__(				\
-		#type ".w." #size ".w" " %0, %1, %0\n\t"\
-		: "+r" (crc)				\
-		: "r" (value)				\
-		: "memory");				\
-} while (0)
-
-#define CRC32(crc, value, size)		_CRC32(crc, value, size, crc)
-#define CRC32C(crc, value, size)	_CRC32(crc, value, size, crcc)
-
-static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_crc32);
-
-u32 crc32_le_arch(u32 crc, const u8 *p, size_t len)
-{
-	if (!static_branch_likely(&have_crc32))
-		return crc32_le_base(crc, p, len);
-
-	while (len >= sizeof(u64)) {
-		u64 value = get_unaligned_le64(p);
-
-		CRC32(crc, value, d);
-		p += sizeof(u64);
-		len -= sizeof(u64);
-	}
-
-	if (len & sizeof(u32)) {
-		u32 value = get_unaligned_le32(p);
-
-		CRC32(crc, value, w);
-		p += sizeof(u32);
-	}
-
-	if (len & sizeof(u16)) {
-		u16 value = get_unaligned_le16(p);
-
-		CRC32(crc, value, h);
-		p += sizeof(u16);
-	}
-
-	if (len & sizeof(u8)) {
-		u8 value = *p++;
-
-		CRC32(crc, value, b);
-	}
-
-	return crc;
-}
-EXPORT_SYMBOL(crc32_le_arch);
-
-u32 crc32c_arch(u32 crc, const u8 *p, size_t len)
-{
-	if (!static_branch_likely(&have_crc32))
-		return crc32c_base(crc, p, len);
-
-	while (len >= sizeof(u64)) {
-		u64 value = get_unaligned_le64(p);
-
-		CRC32C(crc, value, d);
-		p += sizeof(u64);
-		len -= sizeof(u64);
-	}
-
-	if (len & sizeof(u32)) {
-		u32 value = get_unaligned_le32(p);
-
-		CRC32C(crc, value, w);
-		p += sizeof(u32);
-	}
-
-	if (len & sizeof(u16)) {
-		u16 value = get_unaligned_le16(p);
-
-		CRC32C(crc, value, h);
-		p += sizeof(u16);
-	}
-
-	if (len & sizeof(u8)) {
-		u8 value = *p++;
-
-		CRC32C(crc, value, b);
-	}
-
-	return crc;
-}
-EXPORT_SYMBOL(crc32c_arch);
-
-u32 crc32_be_arch(u32 crc, const u8 *p, size_t len)
-{
-	return crc32_be_base(crc, p, len);
-}
-EXPORT_SYMBOL(crc32_be_arch);
-
-static int __init crc32_loongarch_init(void)
-{
-	if (cpu_has_crc32)
-		static_branch_enable(&have_crc32);
-	return 0;
-}
-subsys_initcall(crc32_loongarch_init);
-
-static void __exit crc32_loongarch_exit(void)
-{
-}
-module_exit(crc32_loongarch_exit);
-
-u32 crc32_optimizations(void)
-{
-	if (static_key_enabled(&have_crc32))
-		return CRC32_LE_OPTIMIZATION | CRC32C_OPTIMIZATION;
-	return 0;
-}
-EXPORT_SYMBOL(crc32_optimizations);
-
-MODULE_AUTHOR("Min Zhou <zhoumin@loongson.cn>");
-MODULE_AUTHOR("Huacai Chen <chenhuacai@loongson.cn>");
-MODULE_DESCRIPTION("CRC32 and CRC32C using LoongArch crc* instructions");
-MODULE_LICENSE("GPL v2");